NASA

He commanded the first spaceflight after the Challenger disaster.

He was one of the great symbols of the U.S. space program when it was at its 1960s height.

McBride flew the first-ever space shuttle mission with seven people on board.

Engle flew multiple missions in the X-15, an experimental spaceplane.

Stone also oversaw the mission that landed the Pathfinder rover on Mars.

He orbited the moon on Apollo 8 in 1968.

He went to space four times and was an expert in spacecraft rendezvous.

He was head of NASA when the famous “Pale Blue Dot” photo was captured.

She was the first woman to lead NASA’s Science Mission Directorate.

Borman was the oldest living former NASA astronaut.